add element icons

backend/app/Element/UseCases/CreateElement/CreateElement.php

@@ -31,6 +31,9 @@ class CreateElement
             throw new BadRequestException('title is required');
         }
         $description = $request->description ?? '';
+        $iconImageUrl = $request->iconImageUrl === ''
+            ? null
+            : $request->iconImageUrl;
         $richText = $request->richText ?? '';
         $pdfPath = $request->pdfPath === '' ? null : $request->pdfPath;
         $youtubeUrl = $request->youtubeUrl === ''
@@ -51,6 +54,7 @@ class CreateElement
                 set: $set,
                 title: $request->title,
                 description: $description,
+                iconImageUrl: $iconImageUrl,
                 richText: $richText,
                 pdfPath: $pdfPath,
                 youtubeUrl: $youtubeUrl,
@@ -76,6 +80,7 @@ class CreateElement
             set: $set,
             title: $request->title,
             description: $description,
+            iconImageUrl: $iconImageUrl,
             richText: $richText,
             pdfPath: $pdfPath,
             youtubeUrl: $youtubeUrl,

backend/app/Element/UseCases/CreateElement/CreateElementRequest.php

@@ -8,6 +8,7 @@ class CreateElementRequest
         public ?int $setId,
         public ?string $title,
         public ?string $description,
+        public ?string $iconImageUrl,
         public ?string $richText,
         public ?string $pdfPath,
         public ?string $youtubeUrl,